20389990400
20,389,990,400 is an even composite number composed of five prime numbers multiplied together.
20389990400 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred sixty-eight divisors.
Prime factorization of 20389990400:
212 × 52 × 13 × 172 × 53
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 5 × 13 × 17 × 17 × 53)See below for interesting mathematical facts about the number 20389990400 from the Numbermatics database.
Names of 20389990400
- Cardinal: 20389990400 can be written as Twenty billion, three hundred eighty-nine million, nine hundred ninety thousand, four hundred.
Scientific notation
- Scientific notation: 2.03899904 × 1010
Factors of 20389990400
Divisors of 20389990400
- Number of divisors d(n): 468
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Complete list of divisors:
1 2 4 5 8 10 13 16 17 20 25 26 32 34 40 50 52 53 64 65 68 80 85 100 104 106 128 130 136 160 170 200 208 212 221 256 260 265 272 289 320 325 340 400 416 424 425 442 512 520 530 544 578 640 650 680 689 800 832 848 850 884 901 1024 1040 1060 1088 1105 1156 1280 1300 1325 1360 1378 1445 1600 1664 1696 1700 1768 1802 2048 2080 2120 2176 2210 2312 2560 2600 2650 2720 2756 2890 3200 3328 3392 3400 3445 3536 3604 3757 4096 4160 4240 4352 4420 4505 4624 5120 5200 5300 5440 5512 5525 5780 6400 6656 6784 6800 6890 7072 7208 7225 7514 8320 8480 8704 8840 9010 9248 10240 10400 10600 10880 11024 11050 11560 11713 12800 13312 13568 13600 13780 14144 14416 14450 15028 15317 16640 16960 17225 17408 17680 18020 18496 18785 20480 20800 21200 21760 22048 22100 22525 23120 23426 25600 26624 27136 27200 27560 28288 28832 28900 30056 30634 33280 33920 34450 34816 35360 36040 36992 37570 41600 42400 43520 44096 44200 45050 46240 46852 51200 53248 54272 54400 55120 56576 57664 57800 58565 60112 61268 66560 67840 68900 69632 70720 72080 73984 75140 76585 83200 84800 87040 88192 88400 90100 92480 93704 93925 102400 108544 108800 110240 113152 115328 115600 117130 120224 122536 133120 135680 137800 141440 144160 147968 150280 153170 166400 169600 174080 176384 176800 180200 184960 187408 187850 199121 217088 217600 220480 226304 230656 231200 234260 240448 245072 266240 271360 275600 282880 288320 292825 295936 300560 306340 332800 339200 348160 352768 353600 360400 369920 374816 375700 382925 398242 435200 440960 452608 461312 462400 468520 480896 490144 542720 551200 565760 576640 585650 591872 601120 612680 665600 678400 705536 707200 720800 739840 749632 751400 765850 796484 870400 881920 905216 922624 924800 937040 961792 980288 995605 1085440 1102400 1131520 1153280 1171300 1183744 1202240 1225360 1331200 1356800 1411072 1414400 1441600 1479680 1499264 1502800 1531700 1592968 1740800 1763840 1845248 1849600 1874080 1923584 1960576 1991210 2204800 2263040 2306560 2342600 2404480 2450720 2713600 2822144 2828800 2883200 2959360 2998528 3005600 3063400 3185936 3527680 3690496 3699200 3748160 3847168 3921152 3982420 4409600 4526080 4613120 4685200 4808960 4901440 4978025 5427200 5657600 5766400 5918720 5997056 6011200 6126800 6371872 7055360 7398400 7496320 7694336 7842304 7964840 8819200 9226240 9370400 9617920 9802880 9956050 11315200 11532800 11994112 12022400 12253600 12743744 14110720 14796800 14992640 15388672 15684608 15929680 17638400 18452480 18740800 19235840 19605760 19912100 22630400 23065600 23988224 24044800 24507200 25487488 29593600 29985280 31369216 31859360 35276800 37481600 38471680 39211520 39824200 46131200 47976448 48089600 49014400 50974976 59970560 62738432 63718720 70553600 74963200 76943360 78423040 79648400 92262400 96179200 98028800 101949952 119941120 127437440 149926400 156846080 159296800 192358400 196057600 203899904 239882240 254874880 299852800 313692160 318593600 384716800 392115200 407799808 509749760 599705600 637187200 784230400 815599616 1019499520 1199411200 1274374400 1568460800 2038999040 2548748800 4077998080 5097497600 10194995200 20389990400
- Sum of all divisors σ(n): 58933032732
- Sum of proper divisors (its aliquot sum) s(n): 38543042332
- 20389990400 is an abundant number, because the sum of its proper divisors (38543042332) is greater than itself. Its abundance is 18153051932
Bases of 20389990400
- Binary: 100101111110101011010010000000000002
- Hexadecimal: 0x4BF569000
- Base-36: 9D7O9A8
Squares and roots of 20389990400
- 20389990400 squared (203899904002) is 415751708512092160000
- 20389990400 cubed (203899904003) is 8477173345345157426315264000000
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The
square root of 20389990400 is 142793.5236626647 -
The
cube root of 20389990400 is 2731.9474446951
Scales and comparisons
How big is 20389990400?- 20,389,990,400 seconds is equal to 648 years, 17 weeks, 4 days, 6 hours, 13 minutes, 20 seconds.
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To count from 1 to 20,389,990,400 would take you about one thousand, two hundred ninety-six years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 20389990400 cubic inches would be around 227.7 feet tall.
Recreational maths with 20389990400
- 20389990400 backwards is 00409998302
- The number of decimal digits it has is: 11
- The sum of 20389990400's digits is 44
- More coming soon!
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